<template>
	<section>
		<!--工具条-->
		<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
			<el-form :inline="true" :model="query">
				<el-form-item>
					<el-input v-model="query.keyword" placeholder="关键字"></el-input>
				</el-form-item>
				<el-form-item>
					<el-button type="primary" v-on:click="search">查询</el-button>
				</el-form-item>
				<el-form-item>
					<el-button type="primary"   @click="handleAdd">新增</el-button>
				</el-form-item>
			</el-form>
		</el-col>

		<!--列表:优秀实践，copy domain修改列表-->
		<el-table :data="pageData.data" highlight-current-row v-loading="listLoading" @selection-change="selsChange" style="width: 100%;">
			<el-table-column type="selection" width="55">
			</el-table-column>
			<el-table-column type="index" width="60">
			</el-table-column>
			<el-table-column prop="name" label="名称" width="120" sortable>
			</el-table-column>
			<el-table-column prop="parent.name" label="父级菜单" width="120" sortable>
			</el-table-column>
			<el-table-column prop="url" label="访问URL" width="160" sortable>
			</el-table-column>
			<el-table-column prop="component" label="组件路径" width="220" sortable>
			</el-table-column>
			<!--<el-table-column prop="state" label="状态" width="120" sortable :formatter="stateFormatter">-->
			<el-table-column prop="state" label="状态" width="100" sortable>
				<template scope="scope">
					<span style="color: green" v-if="scope.row.state==1">正常</span>
					<span style="color: red" v-else="scope.row.state==-1">禁用</span>
				</template>
			</el-table-column>
			<el-table-column label="操作" min-width="120">
				<template scope="scope">
					<el-button size="small" @click="handleEdit(scope.$index, scope.row)">编辑</el-button>
					<el-button type="danger"  size="small" @click="handleDel(scope.$index, scope.row)">删除</el-button>
				</template>
			</el-table-column>
		</el-table>

		<!--工具条-->
		<el-col :span="24" class="toolbar">
			<el-button type="danger" @click="batchRemove" :disabled="this.sels.length===0">批量删除</el-button>
			<el-pagination layout="prev, pager, next" @current-change="handleCurrentChange" :current-page="query.currentPage" :page-size="query.pageSize" :total="pageData.total" style="float:right;">
			</el-pagination>
		</el-col>

		<!--新增和编辑对话框-->
		<el-dialog :title="title"  :visible.sync="menuFormVisible" :close-on-click-modal="false">
			<!--ref="menuForm" 指定表单名称，以后可以通过this.$refs.menuForm-->
			<el-form :model="menu" label-width="80px" :rules="menuFormRules" ref="menuForm">
				<el-form-item label="上级菜单" prop="parent" >
					<el-select v-model="menu.parentId" value-key="id" placeholder="请选择">
						<el-option
								v-for="item in menuTree"
								:key="item.id"
								:label="item.name"
								:value="item.id">
						</el-option>
					</el-select>
				</el-form-item>
				<el-form-item label="名称" prop="name">
					<el-input v-model="menu.name" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="排序" prop="index">
					<el-input-number v-model="menu.index" controls-position="right" @change="handleChange" :min="1" :max="10"></el-input-number>
				</el-form-item>
				<el-form-item label="访问URL" prop="url">
					<el-input v-model="menu.url" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="组件路径" prop="component">
					<el-input v-model="menu.component" auto-complete="off"></el-input>
				</el-form-item>
				<el-form-item label="状态">
					<el-radio-group v-model="menu.state">
						<el-radio class="radio" :label="1">正常</el-radio>
						<el-radio class="radio" :label="-1">禁用</el-radio>
					</el-radio-group>
				</el-form-item>

			</el-form>
			<div slot="footer" class="dialog-footer">
				<el-button @click.native="menuFormVisible = false">取消</el-button>
				<el-button type="primary" @click.native="save" :loading="menuLoading">保存</el-button>
			</div>
		</el-dialog>

	</section>
</template>

<script>
	export default {
		data() {
      return {
        title: '',
        pageData: {
          total: 0,//分页条
          data: []//数据表格
        },
        query: {
          keyword: '',
          currentPage: 1,//分页条
          pageSize: 10 //分页条
        },
        listLoading: false,
        sels: [],//列表选中列
        menuFormVisible: false,//编辑界面是否显示
        menuLoading: false,
        menuFormRules: {
          /*name: [
            {required: true, message: '请输入名称', trigger: 'blur'}
          ],
          index: [
            {required: true, message: '请输入标识', trigger: 'blur'}
          ],
          url: [
            {required: true, message: '请输入访问路径', trigger: 'blur'}
          ],
          component: [
            {required: true, message: '请输入组件路径', trigger: 'blur'}
          ],*/
        },
        menuTree: [],

        //编辑界面数据
        menu: {
          id: null,
          name: '',
          sn: '',
          index: 1,
          icon: '',
          url: '',
          component: '',
          intro: '',
          state: 0,
          parentId: null
        }
      }
    },
    methods: {
      handleChange(value) {
        this.menu.index = value;
      },
      search() {
        //修改页码
        this.query.currentPage = 1;
        //改查询条件=双向绑定输入时自动改变，只需要重新查询一次就ok
        this.getMenus();
      },
      handleCurrentChange(val) {
        this.query.currentPage = val;
        this.getMenus();
      },
      //获取用户列表
      getMenus() {
        this.listLoading = true; //加载条
        this.$http.post("/menu/list", this.query)
            .then(result => {
              this.pageData = result.data;
              this.listLoading = false; //去除加载条
            })
            .catch(result => {
              alert("抱错了！");
            })

      },
      //删除
      handleDel: function (index, row) {
        this.$confirm('确认删除该记录吗?', '温馨提示', {
          type: 'warning'
        }).then(() => {
          this.listLoading = true;
          let url = "/menu/" + row.id;
          this.$http.delete(url)
              .then((result) => {
                result = result.data; //{sucesss:true,message:"xx"}
                this.listLoading = false;
                if (result.success) { //成功提示
                  this.$message({
                    message: '删除成功',
                    type: 'success'
                  });
                } else {
                  this.$message({ //错误提示
                    message: result.message,
                    type: 'error'
                  });
                }
                //重新加载数据
                this.getMenus();
              });
        }).catch(() => {
        });
      },
      //显示编辑界面
      handleEdit: function (index, row) {
        //修改对话框标题
        this.title = "修改菜单";
        this.getMenuTree();//加载父级菜单
        //弹出对话框
        this.menuFormVisible = true;
        //回显
        this.menu = Object.assign({}, row);
      },
      //显示新增界面
      handleAdd: function () {
        //修改对话框标题
        this.title = "添加菜单"
        //弹出对话框
        this.menuFormVisible = true;
        //置空数据，防止先点修改，后点添加有值
        this.menu = {
          id: null,
          name: '',
          sn: '',
          dirPath: '',
          index: 0,
          state: 1,
          manager: {},
          parentId: null
        };
        this.getMenuTree();//加载父级菜单

      },
      //保存
      save: function () {
        this.$refs.menuForm.validate((valid) => {
          if (valid) {
            this.$confirm('确认保存吗？', '提示', {}).then(() => {
              this.menuLoading = true;
              let para = Object.assign({}, this.menu);
              //处理上级菜单参数格式 parent:[1,34]---->parent:{id:34}
              this.$http.put("/menu", para)
                  .then((result) => {
                    this.menuLoading = false;
                    result = result.data;
                    if (result.success) {
                      this.$message({
                        message: '提交成功',
                        type: 'success'
                      });
                      this.menuFormVisible = false; //关闭对话框
                      this.$refs['menuForm'].resetFields();//重置表单
                      this.getMenus(); //重新加载
                    } else {
                      this.$message({
                        message: result.msg,
                        type: 'error'
                      });
                      //失败了可能修改了提交
                    }
                  });
            });
          }
        });
      },
      selsChange: function (sels) {
        this.sels = sels;
      },
      //批量删除
      batchRemove: function () {
        //遍历选择记录把id放到一个数组中
        var ids = this.sels.map(item => item.id); //[1,2,3]
        this.$confirm('确认删除选中记录吗？', '温馨提示', {
          type: 'warning'
        }).then(() => {
          this.listLoading = true;
          this.$http.patch("/menu", ids)
              .then((result) => {
                this.listLoading = false;
                result = result.data;
                if (result.success) {
                  this.$message({
                    message: '删除成功',
                    type: 'success'
                  });
                } else {
                  this.$message({
                    message: result.message,
                    type: 'error'
                  });
                }
                //跳转到第一页
                this.handleCurrentChange(1);
              });
        }).catch(() => {
        });
      },
      getMenuTree() {
        this.$http.get("/menu/first")
            .then(result => {
              if (result.data) {
                this.menuTree = result.data.data;
              }
            });
      },
    },
    mounted() {
      this.getMenus();
    }
	}

</script>

<style scoped>

</style>